ns2.five8five.com has no NS records.
NS records for this zone are defined at five8five.com.
NS records for this zone are defined at five8five.com.
Question and response
Question
dig ns2.five8five.com. NS
Answer
The response has no answer records.
Authority
five8five.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1773606722 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0